LG KE820 User Manual page 265

Settings
Answer mode
]
Any key
If you select this menu, you can receive a call by pressing any key except
key.
]
Send key only
If you select this menu, you can receive a call by only pressing
Send my number
(network and subscription dependent)
]
Set by network
If you select this, you can send your phone number depending on two line service
such as line 1 or line 2.
]
On
You can send your phone number to another party. Your phone number will be
shown on the receiver's phone.
] Off
Your phone number will not be shown.
112
(Menu 9.6.2)
[End]
[Send] key.
(Menu 9.6.3)